title: Answer please. Insufficiency fracture of the sacrum.
authors.affiliation: Department of Orthopedic Surgery and Rehabilitation, Hahnemann University, Philadelphia, Pa 19102-1192.
authors.forename: S J
authors.initials: SJ
authors.lastname: Bosacco
authors.forename: S C
authors.initials: SC
authors.lastname: Hollis
authors.forename: A T
authors.initials: AT
authors.lastname: Berman
mesh_terms: D000368:Aged; D001510:Bed Rest; D003937:Diagnosis, Differential; D005260:Female; D015775:Fractures, Stress / Q000000981:diagnostic imaging* / Q000209:etiology / Q000534:rehabilitation; D006801:Humans; D012447:Sacrum; D014057:Tomography, X-Ray Computed